Abstract
A series of 46 autopsied adult cases of sudden and unexpected natural death were investigated. In this study, sudden and unexpected death was defined as any death occurring with 24 hours of onset of symptoms in a person with or without probable cause of death suggested by medical history. The cases included 31 males and 15 females aged 26 to 85 years (mean 66.6 years). Age distribution peaked in seventies. The lesions causing sudden and unexpected death according to the most frequent organ systems were, diseases of the heart (acute myocardial infarction with or without old infarct, 20; old myocardial infarction without acute infarction, 2; dilated cardiomyopathy, 2; sarcoidosis, 1; amyloidosis, 2; and valvular disease, 2), the aorta (ruptured aneurysm, 6; dissecting aneurysm, 2), the respiratory tract (pulmonary embolism, 7; pulmonary hypertension, 1), the alimentary tract (intestinal obstruction, 1), and other diseases (cause unknown, 1). The cardiovascular lesions were found in 78.2% of cases autopsied. The sudden and unexpected death caused by acute myocardial infarction was found in 47.8%, and acute myocardial infarction seemed to play a major role in cardiac sudden death in these series. The respiratory lesions were found in 17.4%. Four of seven cases with pulmonary embolism died in two weeks after surgical operation. The most common underlying disease was post-operative condition.
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More From: Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics
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